Cambridge Audio 640C V2 Service Manual

Cambridge Audio Azur 640C V2 CD Player
AP184321 Servo PCB Schematic
SEG14
77
SEG15
76
SEG16
75
SEG17
74
SEG18
73
NC
72
NC
71
NC
70
NC
69
NC
68
NC
67
NC
66
NC
65
NC
64
NC
63
NC
62
NC
61
NC
60
NC
59
NC
58
NC
57
NC
56
NC
55
NC
54
NC
53
FL/TL
52
VDD
51
SEG13
78
SEG12
79
SEG11
80
SEG10
81
SEG9
82
SEG8
83
SEG7
84
SEG6
85
SEG5
86
SEG4
87
SEG3
88
SEG2
89
SEG1
90
SEG0
91
COM3
92
COM2
93
COM1
94
COM0
95
VLC
96
NC
97
NC
98
NC
99
VDD
100
VSS
50
(BOOT)
49
VAREF
48
AD K1
47
AD K2
46
AD K3
45
PWR DET
44
NC
43
NC
42
OLT
41
CLT
40
SLT
39
D-OPEN
38
D-CLOSE
37
BUS3
36
BUS2
35
BUS1
34
BUS0
33
BUCK
32
CEE
31
VSSS
1
XOUT
2
XIN
3
RESET
4
NC
5
NC
6
TEST
7
NC
8
REMOTE
9
MUTE
10
NC
11
NC
12
NC
13
SCK2
14
(SI2)
15
(SO2)
16
(WAIT)
17
NC
18
NC
19
NC
20
NC
21
NC
22
NC
23
NC
24
NC
25
NC
26
NC
27
NC
28
CORW
29
RES
30
U3
TOSHCDMCU
1
2
3
4
5
6
7
CN6
LCD
1
2
3
4
5
6
7
8
CN5
LCD
1
2
3
4
5
6
7
8
CN4
LCD
R22
NC
R21
1K
+5V
C83
470uF 16V
C85
100uF 16V
+5V
+5VDD
C84
220uF 16V
Q13
9014C
X2
CRYSTAL
7.3728MHz
C81
25pF
C80
25pF
C79
100nF
R19
3K3
R18
10K
D9
1N4148
R20
1K
1
2
3
4
5
6
7
8
CN3
PROGRAMMING
R65
10K
R66
2K2
R17
10K
+5V
R27
10K
+5V
+5VDD
XVSS
77
VDD4
76
PXO
75
PXI
74
VSS4
73
TESIO1
72
TESIN
71
DACT
70
CKSE
69
DMOUT
68
IO3
67
IO2
66
IO1
65
IO0
64
VSS3
63
VDD3
62
FLGD
61
FLGC
60
FLGB
59
FLGA
58
SEL
57
2VREF
56
DMO
55
TEBC2
54
TEBC1
53
TEBC0
52
RFGC
51
XI
78
XO
79
XVDD
80
DVSR
81
RO
82
DVDD
83
DVR
84
LO
85
DVSL
86
TEST1
87
TEST2
88
TEST3
89
BUS0
90
BUS1
91
BUS2
92
BUS3
93
VDD
94
VSS
95
BUCK
96
CCE
97
TEST4
98
TSMOD
99
RST
100
VREF
50
TRO
49
FOO
48
TEZI
47
TEI
46
TSIN
45
SBAD
44
FEI
43
RFRP
42
RFZI
41
RFCT
40
AVDD1
39
RFI
38
SLCO
37
AVSS1
36
VCOF
35
VCOREF
34
PVREF
33
LPFO
32
LPFN
31
TEST0
1
HSO
2
UHSO
3
EMPH
4
LRCK
5
VSS1
6
BCK
7
AOUT
8
DOUT
9
MBOV
10
IPF
11
SBOK
12
CLCK
13
VDD1
14
VSS2
15
DATA
16
SFSY
17
SBSY
18
SPCK
18
SPDA
20
COFS
21
MONIT
22
VDD2
23
TESIO0
24
P2VREF
25
HSSW
26
ZDET
27
PDO
28
TMAXS
29
TMAX
30
U2
TC9462F
VCC
1
RFGC
2
GMAD
3
FNI
4
FPI
5
TNI
7
MDI
8
LDO
9
SEL
10
TEB
11
2VRO
12
TEN
13
TEO
14
SBAD
15
FEO
16
FEN
17
SEB
18
VRO
19
RFRP
20
BTC
21
RFCT
22
PKC
23
RFRPIN
24
RFGO
25
GVSW
26
AGCIN
27
RFO
28
GND
29
RFN2
30
TPI
6
U1
TA2153FN
PW GND
1
OUT(-)1
2
PVCC1
3
OUT(+)1
4
VIN1
5
VRI
6
VCI
7
VIN2
8
OUT(+)2
9
PVCC2
10
OUT(-)2
11
PW GND
12
PW GND
13
OUT(-)3
14
PVCC3
15
OUT(+)3
16
VIN3
17
S GND
18
S VCC
19
VIN4
20
OUT(+)4
21
PVCC4
22
OUT(-)4
23
PW GND
24
U6
TA2092N
R15 10K
R39
10K
R14 10K R13 10K R12 10K
+5V
R11 10K
R6
220K
R7 68K
R5 15K R9 47K
C8
0.015uF
C76
47pF
C74 47uF 16V
R8 10K
C75 0.01uF C6 0.0027uF
1
2
3
CN1
DIGITAL OUT
+5V
R10
47R
C11
0.047uF
C10
47uF 16V
C9
47uF 16V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN16
MECH
1
2
3
4
5
6
CN15
MOTOR DRIVE
+8V
C56
220uF 16V
C59
100nF
R64
10K
+5V
C58
100nF
C57
100nF
R42
3K3
C27
0.047uF
C26
0.047uF
R41
3K3
C60
0.047uF
C61
100nF
C14 22uF 16V C28 47uF 16V C31 2200pF no stuff C30 2200pF no stuff
R38
10K no stuff
R37
10K no stuff
R40
10R 1/4W
NC
NC
NC
NC
NC
R36
100K no stuff
R35
100K no stuff
X1
CRYSTAL
16.9344MHz
C17
15pF
C16
15pF
C15
0.047uF
NC
C19
0.047uF
C18 47uF 16V
NC NC NC NC NC NC NC NC NC NC NC NC
R43
10K
R45
3K3
C24
470pF
C25
470pF
R44
3K3
C62
100nF
R60
1K
R59
68K
L1
47uH
C66
0.047uF
C65
220uF 16V
C20
47uF 16V
C67
100nF
C64
100nF
C68
22uF
R58
0R
R56
10K
R55
10K
R54
10K
R53
10K
R52
56K
R51
47K
R50
47K
R49
47K
R48
47K
R57
56K
L2
10uH
Q1
9015
R62
15R
C69
100uF 16V
R46
3K3
R47
3K3
C23
0.047uF
C22 0.047uF
R63
100K
R1
2K2
C1
3pF
R3
1K
C73
100pF
R2
10K
R4
220R
C2
100nF
C72
0.22uF
C3
0.22uF
C4
100nF
R61
27K
C71
100nF
C7
0.01uF
C5
0.047uF
C77
47uF 16V
C78
47uF 16V
C70
47uF 16V
NC
D8
1N4148
NC NC NC NC NC NC NC NC NC NC NC NC NC NC
C13
0.047uF
C12
1uF 16V
C29
47uF 16V
R16
10K
1
2
3
4
5
CN8
DRAW DRIVE
R31
10K
R30
10K
+5V
Q12
8050
Q7
8050
Q9
8550
Q10
8550
R33
470R
R34
470R
R67
27R 1W
+8V
R28
10K
R29
10K
+5V+5V
NC
NC
NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC
NC
NC
NC
NC NC NC
C86
100nF
L3
100uH
R26 10K R25 1K R23 10K R24 10K
R32
4K7
REMOTE
REMOTE
LK1
LINK
OPEN = F/L
SHORT = T/L
+5VCC
NC NC NC NC NC NC NC NC NC NC NC NC NC NC
1
2
3
4
5
CN12
AUDIO OUT no stuff
1
2
3
4
5
CN2
DATA OUT
EMPH
BCK
PCMD
LRCK
GND
1
2
CN17
XTALI
OSC
GND
SET LCD CONTRAST
+5V
RESET
BOOT
GND
WAIT
SCK2
SI2
SO2
REMOTE
+5V
GND
K1
K2
C21
0.0047uF
OLT
GND
CLT
OPEN
CLOSE
GND
ROUT
LOUT
MUTE1
MUTE
+5V
GND
D-OUT
FC-
TR-
TR+
FC+
PD
VR
LD
GND
F
C
B
A
D
E
VCC
VC
SLT-
SLT+
FM+
FM-
DM-
DM+
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
COM0
COM1
COM2
COM3
L4
100uH
L5
100uH
C82
10uF 16V
1
2
CN18
XTALO
GND
C87
1nF
1
2
CN20
MUTE
1
2
3
4
5
6
7
CN7
CONTROL KEYS
D10
1N4148
D11
1N4148
R76
4K7
Q8
8050
Q11
8050
PWR DET
RESET
R?
100R
FU1
T2AL
VI
1
VO
3
GND
2
U8
7805
C45
100nF
C44
100nF
C?
470uF 16V
+5V
1
2
CN19
AC IN
D5
IN4004
D4
IN4004
D2
IN4004
D3
IN4004
C49
100nF
C50
3300uF 25V
C54
100nF
VI
1
VO
3
GND
2
U7
7808
C48
100nF
C53
100nF
C51
100nF
C52
100nF
C47
470uF 16V
+8V
14.5V
AC
1
2
CN21
FP DIS
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Cambridge Audio 640C V2 Specifications

General

Brand	Cambridge Audio
Model	640C V2
Category	CD Player
Language	English